Fatal error: Uncaught Error: Class 'Illuminate\Database\Migrations\Migration' not found in /home/invfsanzgeohti/public_html/database/migrations/2017_12_04_165233_alter_ucotizaciones_add_user_id.php:7 Stack trace: #0 {main} thrown in /home/invfsanzgeohti/public_html/database/migrations/2017_12_04_165233_alter_ucotizaciones_add_user_id.php on line 7